Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:21 2012 Optimize a model with 75 rows, 65 columns and 250 nonzeros Presolve time: 0.00s Presolved: 75 rows, 65 columns, 250 nonzeros Variable types: 0 continuous, 65 integer (65 binary) Found heuristic solution: objective 18.0000000 Found heuristic solution: objective 17.0000000 Root relaxation: objective 0.000000e+00, 48 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 28 17.00000 0.00000 100% - 0s H 0 0 16.0000000 0.00000 100% - 0s H 0 0 11.0000000 0.00000 100% - 0s H 0 0 9.0000000 0.00000 100% - 0s 0 0 0.66116 0 31 9.00000 0.66116 92.7% - 0s 0 0 0.78005 0 37 9.00000 0.78005 91.3% - 0s H 0 0 5.0000000 0.78005 84.4% - 0s 0 0 0.81996 0 34 5.00000 0.81996 83.6% - 0s 0 0 0.83854 0 33 5.00000 0.83854 83.2% - 0s 0 0 0.85099 0 34 5.00000 0.85099 83.0% - 0s 0 2 0.86738 0 34 5.00000 0.86738 82.7% - 0s Cutting planes: Gomory: 1 Mod-K: 5 Explored 21 nodes (380 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%